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Population & demographics
All demographic data for Gradoli: population, births, deaths, balances and historical trends.
Income & tax data
Average income, median income, income brackets and historical trends for Gradoli.
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Air quality (PM2.5, PM10, NO2) and land consumption data for Gradoli.
Gradoli is a small municipality in the province of Viterbo, Lazio region. With a population of 1220 inhabitants and a density of 28 per km², it covers an area of 43.8 km². The average declared income is 17.294 €.
Gradoli in numbers: the analysis
Demographic projections to 2050 estimate about 953 inhabitants for Gradoli: an expected decline of 21.9% from today.
Compared with the provincial average of Viterbo (about 5,130 residents per municipality), Gradoli is a markedly smaller centre.
Among the 60 municipalities of the province of Viterbo, Gradoli ranks 50 by population.
The census record tells a story of long decline: in 1951 Gradoli had 2,358 inhabitants; today (2026) it has 1,220 — 48.3% fewer.
The ageing index is one of the starkest signals: in Gradoli there are 560 residents over 65 for every 100 under 14, well above the national average.
Population Trend
| Anno | Popolazione |
|---|---|
| 2019 | 1311 |
| 2020 | 1285 |
| 2021 | 1276 |
| 2022 | 1280 |
| 2023 | 1252 |
| 2024 | 1241 |
| 2025 | 1228 |
| 2026 | 1220 |
Male/Female Ratio
| Valore | % | |
|---|---|---|
| Men | 600 | 49.2% |
| Women | 620 | 50.8% |
Demographic Statistics
Demographic Indices
Births (recent years)
| Valore | |
|---|---|
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 1 |
Historical Population (1951-present)
| Anno | Population |
|---|---|
| 1951 | 2358 |
| 1961 | 2179 |
| 1971 | 1849 |
| 1981 | 1707 |
| 1991 | 1548 |
| 2001 | 1496 |
| 2011 | 1474 |
| 2019 | 1311 |
| 2020 | 1285 |
| 2021 | 1276 |
| 2022 | 1280 |
| 2023 | 1252 |
| 2024 | 1241 |
| 2025 | 1228 |
| 2026 | 1220 |
Marital Status (2025)
| Valore | % | |
|---|---|---|
| Single | 978 | 39.8% |
| Married | 1122 | 45.7% |
| Divorced | 96 | 3.9% |
| Widowed | 260 | 10.6% |
School-Age Population (2026)
Total 0-18 years: 107
| Valore | |
|---|---|
| Nido (0-2) | 10 |
| Infanzia (3-5) | 13 |
| Primaria (6-10) | 26 |
| Medie (11-13) | 16 |
| Superiori (14-18) | 42 |
Foreign residents
Foreign presence and top citizenships
Embed this chart
Use the Gradoli population pyramid on your site or article — the DatiItalia source link is already included.
<a href="https://datitalia.eu/comune/gradoli-056028" title="Population pyramid of Gradoli — DatiItalia"><img src="https://datitalia.eu/render/chart/piramide/gradoli-056028" alt="Population pyramid of Gradoli — DatiItalia" width="600" style="max-width:100%;height:auto;border:0" loading="lazy" /></a>